How to read a UUID to determine whether it’s supposed to be random, or has a specific meaning. Where you’ll find them, and whether you’ll ever see two the same.
Category Archive: Macs
Why can’t some files be seen in thumbnails, or previews, but almost everything else can be seen thanks to QuickLook? And is this connected to Spotlight indexing?
I hope that you enjoyed Saturday’s Mac Riddles, episode 339. Here are my solutions to them. 1: The […]
Add another volume to your Mac’s internal SSD and try to eject it. All hell breaks loose as the Finder wants to eject the whole disk, it seems. Probably a 6-year old bug.
Standard users aren’t allowed to chang other users’ settings, but they’ve long been able to update macOS, and for the last 3 years to install full upgrades. Should this change?
Here are this weekend’s Mac riddles to entertain you through family time, shopping and recreation. 1: The favourite […]
It was notorious for its crashes and reporting discrepancies, but now it’s incorporated in System Settings it’s more reliable and helpful. But there’s still the problem of System Data.
Before macOS 12.3, upgrades and updates were different, and only admin users could authenticate the installation of an upgrade to macOS. Now even standard users can, as explained here.
Authentication dialogs for Macs with and without support for Touch ID, in recent versions of macOS including Tahoe, and how to tell whether a request in Terminal is genuine.
A complex set of rules with optional flags determines whether any given xattr is preserved when copying, saving, syncing with a cloud service, backing up, and more. Here they are.
The Eclectic Light Company 